The original CM Security upgraded to the whole new Security Master Antivirus&VPN(by CM, Cheetah Mobile) and redefined the scope of Phone Security: protects not only your phone but also your privacy. Instead of providing all the popular features, Security Master Antivirus&VPN(by CM) introduced Intelligent Diagnosis to detect your phone status and advise needed solution, including Antivirus, Junk Clean, and Phone Booster (Battery Saver, and CPU Cooler) in time. Furthermore, we strengthened the protection of privacy by creating a shield for all online activities through SafeConnect VPN.

★SafeConnect VPNSecurity Master Antivirus&VPN(by CM) presents the most easy-to-use free VPN, proxy & unblock solution. Apart from other VPN, SafeConnect VPN partners with “Hotspot Shield Free VPN Proxy” and was designed for everyone. SafeConnect VPN establishes a secured cyber environment as you need to block out hackers. With SafeConnect VPN, you can apply virtual location to enhance security and freely access favorite contents. Security Master Antivirus&VPN(by CM) now protects not only your device, but the protection extends to online data transmission to prevent leak of online banking information, private messages, and browsing history. (Will be available worldwide soon.)

★Intelligent DiagnosisOur famous big button design upgraded to intelligently diagnose your most needed solution. All solutions to keep your phone safe, clean, and optimized like a new one, including battery.

Junk Clean - Phone stores junk files automatically from time to time. Security Master Antivirus&VPN(by CM) detects this issue and frees storage when needed. One tap to clean cache & junk files at once. The smartest way to clean and optimize phone.

Phone Boost, Battery Saver, and CPU Cooler - Your phone can not have the best performance if it stays at a high temperature or high memory usage. Especially when charging battery and playing games, it watches out phone & battery and keeps your phone cool, fast, and saves more battery life.

★AppLockSecurity Master Antivirus&VPN(by CM) protects the privacy of apps by AppLock. You can lock anything you want to protect, such as Bluetooth & Wi-Fi switches, incoming calls, recent apps, settings, photos, WhatsApp, or any apps you choose. Furthermore, the preview of notifications can be also locked so that no one can see which apps you are using or who you are chatting with.With Applock, you can lock apps with a pattern, PIN code, or fingerprint. Fingerprint lock is supported on Samsung or Android devices 6.0 and above that are equipped with fingerprint sensors. You can also customize the re-lock time to re-lock at device screen off so that no need to unlock each time you launch an app.Intruder Selfie - Security Master Antivirus&VPN(by CM) protects apps privacy from snoopers. If someone tries to unlock your app with a wrong password, the photo of the intruder will automatically be taken and the intruder alert will be sent to you by e-mail. It keeps your phone safe and further tells who the intruder is.Disguise cover - Security Master Antivirus&VPN(by CM) disguises lock screen so that no one is aware of you are using AppLock while keeping your secret & privacy safe. You can protect your privacy without your parents, partner, or children knowing.Theme - You can choose style of lock screen from hundreds of AppLock themes or customize with your photos.